989204742 has 48 divisors (see below), whose sum is σ = 2167214400. Its totient is φ = 326073600.

The previous prime is 989204737. The next prime is 989204743. The reversal of 989204742 is 247402989.

989204742 is a `hidden beast` number, since 98 + 92 + 0 + 474 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989204743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726142 + ... + 727502.

It is an arithmetic number, because the mean of its divisors is an integer number (45150300).

Almost surely, 2^989204742 is an apocalyptic number.

989204742 is an abundant number, since it is smaller than the sum of its proper divisors (1178009658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989204742 is a wasteful number, since it uses less digits than its factorization.

989204742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 989204742 is about 31451.6254269950. The cubic root of 989204742 is about 996.3885538240.

The spelling of 989204742 in words is "nine hundred eighty-nine million, two hundred four thousand, seven hundred forty-two".